Overview
The MC7808BD2TG is a part of the MC7800 Series of positive linear voltage regulators produced by onsemi. These regulators are monolithic integrated circuits designed as fixed-voltage regulators for a wide variety of applications, including local, on-card regulation. They are known for their reliability and versatility in providing stable output voltages.
The MC7808BD2TG specifically provides an output voltage of 8 volts and can deliver output currents in excess of 1.0 A with adequate heatsinking. It features internal current limiting, thermal shutdown, and safe-area compensation, making it a robust choice for various electronic systems.
Key Specifications
| Characteristic | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage (TJ = 25°C) | 7.84 | 8.0 | 8.16 | Vdc |
| Output Voltage (5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W) | 7.7 | 8.0 | 8.3 | Vdc |
| Input Voltage Range | 10.5 | - | 23 | Vdc |
| Line Regulation (TJ = 25°C, IO = 500 mA) | - | - | 10 | mV |
| Load Regulation (5.0 mA ≤ IO ≤ 1.0 A) | - | - | 20 | mV |
| Quiescent Current | 3.2 | - | 8.0 | mA |
| Peak Output Current (TJ = 25°C) | - | - | 2.2 | A |
| Average Temperature Coefficient of Output Voltage | - | - | -0.3 | mV/°C |
| Package Type | - | - | D²Pak (2 Leads + Tab), TO-263-3 | - |
| Temperature Range | -40 | - | 125 | °C |
Key Features
- Internal Current Limiting: Protects the device from excessive current draw.
- Thermal Shutdown: Prevents overheating by shutting down the regulator when the junction temperature exceeds a certain threshold.
- Safe-Area Compensation: Ensures the output transistor operates within a safe area to prevent damage.
- No External Components Required: The regulator can function without additional external components.
- High Output Current: Capable of delivering output currents in excess of 1.0 A with adequate heatsinking.
- Pb-Free Packages Available: Compliant with lead-free requirements for environmental sustainability.
- Fixed Output Voltage: Provides a stable output voltage of 8 volts.
Applications
- Local, On-Card Regulation: Ideal for regulating voltage on the same PCB or card.
- Industrial Systems: Suitable for use in various industrial applications requiring stable voltage regulation.
- Automotive Systems: Available in automotive-grade versions (NCV series) for use in vehicle electronics.
- Consumer Electronics: Used in a wide range of consumer electronic devices requiring reliable voltage regulation.
- Medical Devices: Can be used in medical equipment where stable voltage is crucial.
Q & A
- Q: What is the output voltage of the MC7808BD2TG?
A: The output voltage of the MC7808BD2TG is 8 volts. - Q: What is the maximum output current of the MC7808BD2TG?
A: The MC7808BD2TG can deliver output currents in excess of 1.0 A with adequate heatsinking. - Q: What are the key protection features of the MC7808BD2TG?
A: The key protection features include internal current limiting, thermal shutdown, and safe-area compensation. - Q: Does the MC7808BD2TG require external components to function?
A: No, the MC7808BD2TG does not require external components to function. - Q: What is the temperature range of the MC7808BD2TG?
A: The temperature range of the MC7808BD2TG is -40°C to +125°C. - Q: What packages are available for the MC7808BD2TG?
A: The MC7808BD2TG is available in D²Pak (2 Leads + Tab) and TO-263-3 packages. - Q: Is the MC7808BD2TG lead-free?
A: Yes, the MC7808BD2TG is available in Pb-free packages. - Q: What is the quiescent current of the MC7808BD2TG?
A: The quiescent current of the MC7808BD2TG is typically 3.2 mA to 8.0 mA. - Q: What is the average temperature coefficient of output voltage for the MC7808BD2TG?
A: The average temperature coefficient of output voltage is -0.3 mV/°C. - Q: Can the MC7808BD2TG be used in automotive applications?
A: Yes, the MC7808BD2TG is available in automotive-grade versions (NCV series).
